Ubuntu 13.04, 12.10 or 12.04 users can install the latest GIMP 2.8.4 by using Otto’s PPA – add the PPA and install / upgrade GIMP using the following commands:
[sourcecode]sudo add-apt-repository ppa:otto-kesselgulasch/gimp
sudo apt-get update
sudo apt-get install gimp
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From the same PPA you can also install GIMP Plugin Registry which is a collection of hundreds of GIMP plugins:
[sourcecode]sudo apt-get install gimp-plugin-registry[/sourcecode]
G’MIC is also available in this PPA. It’s a tool that comes with a huge list of filters and effects – install it using the following command:
[sourcecode]sudo apt-get install gimp-gmic[/sourcecode]
For source files, Windows or Mac OS X binaries, see the GIMP downloads page.